Double wall calorimeter with easily removable spring heating element, Operates on 3-6V DC at approximately 5 watts, Inner aluminum 150mL reservoir, aluminum outer, plastic insulator ring, Lid accepts heating element, stirrer, and thermometer cork, 5.1x4.7x7.1 in, 0.7lbs
Mirror, With Base, To explore light reflection & refraction properties of convex mirrors, law of reflection, image formation, the effects of surface curvature on reflection, spherical aberration, diameter of the mirror is 95mm approx.